package com.example.demo.controller;

import com.example.demo.utils.PassToken;
import com.example.demo.utils.ResponseResult;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.UUID;

@CrossOrigin
@RestController
public class CommonController {
@Value("${uploadPath}")
    String uploadPath;

    @PostMapping("/upload")
    public ResponseResult<String> upload(MultipartFile file) throws IOException {
        if (file.getSize() > 0) {
            LocalDate currentDate = LocalDate.now();
            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyy-MM-dd");
            String formatDate = currentDate.format(formatter);
            File path = new File(uploadPath, formatDate);
            if (!path.exists()) {
                path.mkdirs();
            }
            String newFileName = UUID.randomUUID() + file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
            File f = new File(path, newFileName);
            file.transferTo(f);
            return ResponseResult.createBySuccess(200, "/upload/"+formatDate+"/"+newFileName, "上传成功");
        }else {
            return ResponseResult.createBySuccess(500,"","上传失败");
        }
    }
}
